Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 372,976	$ 365,302
Fees receivable, net of allowances of $6,900 and $6,700 respectively	580,763	552,107
Deferred commissions	124,831	115,381
Prepaid expenses and other current assets	62,427	63,868
Total current assets	1,140,997	1,096,658
Property, equipment and leasehold improvements, net	108,733	97,990
Goodwill	715,359	586,665
Intangible assets, net	96,544	30,689
Other assets	113,053	92,349
Total Assets	2,174,686	1,904,351
Current liabilities:
Accounts payable and accrued liabilities	387,691	353,761
Deferred revenues	900,801	841,457
Current portion of long-term debt	35,000	20,000
Total current liabilities	1,323,492	1,215,218
Long-term debt	790,000	385,000
Other liabilities	193,594	142,962
Total Liabilities	2,307,086	1,743,180
Preferred stock:
$.01 par value, authorized 5,000,000 shares; none issued or outstanding	0	0
Common stock:
$.0005 par value, authorized 250,000,000 shares for both periods; 156,234,415 shares issued for both periods	78	78
Additional paid-in capital	818,546	764,433
Accumulated other comprehensive loss, net	(44,402)	(21,170)
Accumulated earnings	1,450,684	1,275,049
Treasury stock, at cost, 73,896,245 and 68,713,890 common shares, respectively	(2,357,306)	(1,857,219)
Total Stockholders’ (Deficit) Equity	(132,400)	161,171
Total Liabilities and Stockholders’ (Deficit) Equity	$ 2,174,686	$ 1,904,351